Keywords: Holtzmachine-photo-1876.jpg en In 1865 Wilhelm Holtz invented the Holtz Electrostatic Influence Machine which was an electrostatic induction generator that converted mechanical work into electrostatic energy and only needed an initial charge to begin operation de Wilhelm Holtz war ein deutscher Physiker und Erfinder der nach ihm benannten Holtzmaschine Library of Congress http //hdl loc gov/loc pnp/stereo 1s01525 Himes Charles F Charles Francis 1838-1918 photographer 1876 PD-old Electrostatic generators Inventions 1876 |